MIL-DTL-38999 Series II connectors are designed for harsh environments with up to 128 contacts in an insert, offering reliable performance in extreme conditions. Featuring various mounting options including front and rear wall mount, jam nut, and box mount receptacles, they provide flexibility for different applications. With a wide operating temperature range of -65 °C to 200 °C and environmental sealing, these connectors ensure durability and longevity. Available in aluminum shells with multiple plating options, including RoHS compliant finishes, they meet stringent military specifications for quality and performance. Removable crimp contacts in sizes 22D, 22M, 22, 20, 16, and 12, along with bayonet coupling, offer ease of use and maintenance. Perfect for demanding situations, these connectors are ideal for aerospace, defense, and industrial applications where reliability is paramount.